TM 9-767 40-Ton Tank Transporter Truck-Trailer M25 1944-02-23
"In addition to a description of the 40-ton, Tank Transporter Truck-trailer M25, this manual contains technical information required for the identification, use, and care of materiel. The manual is divided into four parts. Part One, section I through section VIII, contains vehicle operating instructions. Part Two, section IX through section XXXIII, contains vehicle maintenance instructions for using arm personnel charged with the responsibility of doing tractor maintenance work within their jurisdiction. Part Three, section XXXIV through section XL, contains semitrailer maintenance instructions for using arm personnel. Part Four, section XLI, contains instructions for shipment, and temporary storage."